40results about How to "Realize automatic design" patented technology

The invention relates to a design method of a free-form surface imaging optical system, comprising: establishing an initial system; selecting characteristic light rays, solving the characteristic data points on the free-form surface a, and fitting to obtain the free-form surface a; and so on, obtaining the first free-form surface imaging optical system system; the first free-form surface imaging optical system is used as the initial system, and the second free-form surface imaging optical system is obtained through multiple iterations; the second free-form surface imaging optical system is used as a reference system, and a curved surface position degree of freedom is selected, and at the curved surface position Select multiple values ​​near the value of the degree of freedom, change the position of the corresponding curved surface, and obtain multiple third free-form surface imaging optical systems; use each third free-form surface imaging optical system as the initial system, repeat the iterative steps, and obtain multiple fourth Freeform surface imaging optical system; select the fourth freeform surface imaging optical system that satisfies the constraints and is optimal under the evaluation index; and so on, until all surface position degrees of freedom have been used.

A comprehensive performance evaluation method for a small lead-based reactor supercritical carbon dioxide cycle power generation system. First, determine the lead-based reactor supercritical carbon dioxide (S‑CO2) to be designed 2 ) The basic operating parameters of the cycle power generation system. Subsequently, the sub-modules of turbomachinery work, heat transfer of heat exchanger, pressure drop calculation of heat exchanger, efficiency calculation of heat exchanger, thermal analysis of power generation system and economic analysis were respectively established by adopting the modular design method. Then, the iterative calculation method is used to solve the heat exchanger pressure drop calculation and power generation system thermodynamic analysis sub-modules to obtain the power generation system thermal parameters and unit power cost. Finally, the thermal-economy of the power generation system is evaluated based on multi-objective collaborative optimization. This method can effectively complete the new small lead-based reactor S-CO 2 Design of thermodynamics, heat transfer and economic analysis model of cycle power generation system, efficiently analyze system thermal-economic performance, solve system automatic design problems, complete comprehensive performance comparison and guide optimal S-CO 2 Screening in circular form.

The invention provides a color matching method and system. The method includes: acquiring multiple color feature values ​​of each standard cloth image; calculating the feature ratio between the feature area corresponding to each color feature value and the total area of ​​the standard cloth image; Each color feature value in the cloth image and the feature ratio corresponding to the color feature value are obtained to obtain the standard association cluster of the standard cloth image. The standard association cluster includes each color feature value in the standard cloth image and the corresponding color feature value. The correlation relationship between the feature ratios of all standard cloth images is analyzed jointly to obtain the analysis results, and the analysis results include the feature ratio ranges corresponding to the color feature value ranges; the color ratios are matched according to the analysis results. The standard association cluster of the standard cloth image is obtained by obtaining, so as to obtain the proportion distribution of the area occupied by different colors in the standard cloth image in the whole standard cloth image.

A design method for a trough-type concentrating solar heat collection system. First, determine the basic geometric structure of the heat collection system and establish the parametric geometry of a single heat collection circuit according to local meteorological parameters, geometric dimensions of the heat collection system installation site, and system operating conditions Then, the Monte Carlo ray tracing method was used to establish a three-dimensional optical calculation model of the loop and perform optical calculations to obtain the comprehensive optical performance of the loop at all times throughout the year; then, using the one-dimensional light-to-heat conversion calculation model of the loop collector tube, the calculation The annual hour-by-hour comprehensive heat production performance and the annual total heat production of a single heat collection circuit; then, according to the design requirements of the total annual heat production of the system, the total number of heat collection systems is initially designed; finally, the heat collection system is preliminarily designed through evaluation The annual heat production is optimized and the number of loops is calculated, and the design of the heat collection system is finally completed; this method can quickly and effectively design the structure and comprehensive photothermal performance of the trough-type concentrating solar heat collection system.

The invention relates to a highway route constructing method. The highway route constructing method comprises the following steps: (1), establishing a virtual design route for a highway to be constructed, wherein the highway to be constructed consists of multiple design routes; (2), according to a starting stake mark, a finishing stake mark and a broken chain of each design route, establishing stake mark interval tables of a left half and a right half of the virtual design route; (3), setting stake mark identifiers of the virtual design route; (4), setting stake mark identifiers of the left half and the right half of the virtual design route; (5), converting the stake mark identifiers of the virtual design route into stake mark identifiers of a real design route; and (6), finishing design on the true design route. By the highway route constructing method, survey and design steps are greatly simplified and the design efficiency and the design quality are improved.

The invention relates to a modeling method for a threaded joint of an oil casing, which includes the following steps of acquiring initial geometric parameters of an outer thread of the joint; acquiring parameters of an auxiliary surface of an outer thread of the joint; obtaining an outer thread geometric model of the joint according to the initial geometric parameters and the parameters of the auxiliary surface of the outer thread; acquiring initial geometric parameters of an inner thread of the joint; acquiring parameters of the auxiliary surface of the inner thread of the joint; obtaining the inner thread geometric model of the joint according to the initial geometric parameters and the parameters of the auxiliary surface of the inner thread; combining the outer thread geometric model with the inner thread geometric model to form joint parameters so as to form a joint geometric model by programs automatically; and meshing the joint geometric model to obtain a finite element model. After required parameters are given, the finite element software establishes geometric models and material models automatically according to the requirements, wherein the geometric models and the materials models can be divided into finite element grid models automatically. Besides, automatic design analysis and reliability analysis of the joint of the oil casing can be realized.

The present invention provides a method and a device for designing the timing sequence of a carrier rocket's gas-liquid connector falling off before firing. The method includes: obtaining information of the connectors to be sorted from a database; setting the detachment time of the connectors whose detachment mode is manual detachment as the work end time; Sorting: first fill and then supply air, first at room temperature and then at low temperature, and set the detachment time of each connector according to the end of work; reorder according to the detachment time of each connector, and based on safety, reliability, reversibility and The external system coordination check adjusts the ordering, and obtains the disconnection timing of the connectors to be ordered. The invention realizes the automatic design of the connector detachment sequence; since the influence of the safety, reliability, reversibility and external system coordination of the connector on the detachment sequence is considered, the design method of the invention can improve the launching process of the liquid carrier model security and reliability.

The invention discloses a package design method, which comprises the following steps of: designing and generating a product package part set matched with an obtained product size according to the obtained product size; querying whether a standard packaging part matched with any packaging part in the product packaging part set exists in a preset part library or not based on a preset packaging partmatching rule; under the condition that the standard packaging part matched with any packaging part exists in the part library, replacing all the packaging parts in the product packaging part set withcorrespondingly-matched standard packaging parts, and carrying out size adjustment on all the other packaging parts, except for all the packaging parts, in the product packaging part set according tothe product size. The invention further discloses a package design device, equipment and a computer readable storage medium, by implementing the scheme, automatic design of the product packaging parts is achieved, and the design efficiency and design precision of the product packaging parts are effectively improved.

The invention discloses a planning big data management and control system of a smart power distribution network and a method. The system comprises that a data layer constructs a global power network planning model; a basic data dictionary containing power network devices, graph standards and power network operation information is built; an application layer carries out statistic analysis and real time load actual measurement analysis to the power network devices and power network operation states in a set region; automatic filling of power network load data graphs, intelligent operation of planning data, intelligent verification of the planning data and intelligent statistics and summary of the planning data are realized; a service layer selects planning power network schemes; a display layer carries out centralized display, share and information issue to the planning and design achievement. According to the system and the method of the invention, through taking multi-source massive data such as basic geographic information, power network space and attribute thematic information and power network operation real time information as cores, planning and design data resources in the system are effectively integrated, a power network planning and design integrated information platform is built, and power network planning and design information-based foundation is tamped.